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https://issues.apache.org/jira/browse/CASSANDRA-8477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14246600#comment-14246600
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Benedict commented on CASSANDRA-8477:
-------------------------------------
No, CASSANDRA-6544 is unrelated, and probably wouldn't help very much with this
problem.
> CMS GC can not recycle objects
> ------------------------------
>
> Key: CASSANDRA-8477
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8477
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Environment: 2.1.1 or 2.1.2-SNAPSHOT(after CASSANDRA-8459 resolved)
> Reporter: Philo Yang
> Attachments: cassandra.yaml, histo.txt, jstack.txt, log1.txt,
> log2.txt, system.log, system.log.2014-12-15_1226
>
>
> I have a trouble in my cluster that CMS full gc can not reduce the size of
> old gen. Days ago I post this problem to the maillist, people think it will
> be solved by tuning the gc setting, however it doesn't work for me.
> Then I saw a similar bug in CASSANDRA-8447, but [~benedict] think it is not
> related. With the jstack on
> https://gist.github.com/yangzhe1991/755ea2a10520be1fe59a, [~benedict] find a
> bug and resolved it in CASSANDRA-8459. So I build a latest version on 2.1
> branch and run the SNAPSHOT version on the nodes with gc trouble.
> However, there is still the gc issue. So I think opening a new tick and post
> more information is a good idea. Thanks for helping me.
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